O Level Courses

IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 80

Heart: O Level Biology Multiple Choice Questions (MCQ) PDF - 80

The Heart O Level Biology MCQ with Answers PDF, Heart O Level Biology Multiple Choice Questions (MCQs) PDF Download e-Book Ch. 17-80 to prepare IGCSE O Level Biology Practice Tests. Study Transport in Mammals Test PDF, Heart O Level Biology Multiple Choice Questions (MCQ Quiz) for SAT practice test. The Heart: O Level Biology MCQ Quiz App Download: Free certification app for heart: o level biology, structure of an insect pollinated flower, heroin effects, blood clotting: o level biology, sugar: types, formation and test test prep to study online school courses.

The MCQ Quiz: Of total body mass, heart weighs; "Heart: O Level Biology" App (Play Store & App Store) with answers: 0.0049; 0.0039; 0.0059; 0.0069; for SAT practice test. Practice Transport in Mammals Questions and Answers, Apple Book to download free sample for online college courses.

Heart: O Level Biology Questions and Answers PDF Download: Quiz 80

MCQ 396:

Of the total body mass, the heart weighs

  1. 0.0039
  2. 0.0049
  3. 0.0059
  4. 0.0069
MCQ 397:

In plants, epicalyx in clitoria is

  1. absent
  2. may be 2
  3. may be 4
  4. more than 4
MCQ 398:

The disease AIDS stands for

  1. Acquired Iodine Deficiency Syndrome
  2. Acquired Inherited Defective Syndrome
  3. Acquired Immune Deficiency Syndrome
  4. Acquired Immune Deflated Sensations
MCQ 399:

Prothrombin helps in

  1. fighting against diseases
  2. giving red color to the blood
  3. blood clotting
  4. hormones regulations
MCQ 400:

In guard cells, Potassium ions (K+) combined with sugars lead to

  1. lower the water potential in guard cells
  2. increase the water potential in guard cells
  3. become turgid
  4. increased temperature of guard cells

IGCSE O Level Biology Exam Prep Tests

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Heart O Level Biology App (Android & iOS)

Heart O Level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

MCAT Biology App (Android & iOS)

MCAT Biology App (Android & iOS)

Phylum App (Android & iOS)

Phylum App (iOS & Android)